Sigma SD9
The Sigma SD9 ($1,400 street) is the only camera to use the innovative new Foveon X3 chip, the first chip that is sensitive to all three primary colors. Conventional CMOS and CCD image sensors are monochromatic, so they use a mask of colored dots (called a Bayer mask) overlaid on the sensor. Electronics in the camera read information from the sensor at the instant of exposure and generate a three-color RGB value for each pixel using a process called interpolation. The X3 sensor produces an RGB value for each pixel on the chip, eliminating the need for the mask and the interpolation
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$189.00 |
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